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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z - p/w + v²/2g = constant
Z + p/w + v²/2g = constant
Z - p/w - v²/2g = constant
Z + p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

specific viscosity
kinematic viscosity
coefficient of viscosity
viscosity index

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

Velocity of flow and area of flow
Area of flow and wetted perimeter
None of these
Wetted perimeter and diameter of pipe

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Underground flow
Flow past tiny bodies
All of these
Flow of oil in measuring instruments

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N²
Directly proportional to N²
Directly proportional to N
Inversely proportional to N

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

1500 kg
2000 kg
1000 kg
500 kg

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